Home / 53,977.06-74,468.76-31,303.54

Finding the Fourth Proportional to 53,977.06, 74,468.76 and 31,303.54

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Solution

The fourth proportional to 53,977.06, 74,468.76 and 31,303.54 is: 43,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,977.06 : 74,468.76 = 31,303.54 : x
  2. Step 2: Convert to fraction form
    53,977.06/74,468.76 = 31,303.54/x
  3. Step 3: Cross multiply
    53,977.06x = 74,468.76 × 31,303.54
  4. Step 4: Simplify right side
    53,977.06x = 2,331,135,807.41
  5. Step 5: Solve for x
    x = 2,331,135,807.41/53,977.06
  6. Step 6: Final answer
    x = 43,187.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.